Duane Arnold Energy Center
Iowa's shut reactor, next in the restart queue for ~2029.
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Photo: Jssteinke · Public domain · Wikimedia Commons
NextEra's 601 MW Duane Arnold plant closed in 2020 after derecho storm damage to its cooling towers. In 2025 NextEra confirmed restart plans targeting ~2029, with data-center demand — Google among reported interested parties in the region — the explicit economic driver.
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Record reviewed as of 2026-01-15 — see Methodology.